Home / 59,491.08-82,112.04-40,402.70

Finding the Fourth Proportional to 59,491.08, 82,112.04 and 40,402.70

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Solution

The fourth proportional to 59,491.08, 82,112.04 and 40,402.70 is: 55,765.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,491.08 : 82,112.04 = 40,402.70 : x
  2. Step 2: Convert to fraction form
    59,491.08/82,112.04 = 40,402.70/x
  3. Step 3: Cross multiply
    59,491.08x = 82,112.04 × 40,402.70
  4. Step 4: Simplify right side
    59,491.08x = 3,317,548,118.51
  5. Step 5: Solve for x
    x = 3,317,548,118.51/59,491.08
  6. Step 6: Final answer
    x = 55,765.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.